| Net income per share and net income attributable to common stockholders |
15. Net income per share and net income attributable to common stockholders The following table details the computation of the basic and diluted net income per share: | | | | | | | | | | | Year ended | | Year ended | | | | | | | December 31, | | December 31, | | Year ended December 31, | | | 2023 | | 2024 | | 2025 | | 2025 | | | RMB | | RMB | | RMB | | US$ | Net income attributable to X Financial | | 1,186,793,974 | | 1,539,905,765 | | 1,464,552,224 | | 209,428,183 | Shares (denominator): | | | | | | | | | Weighted average number of ordinary shares used in computing basic EPS | | 288,115,969 | | 288,828,371 | | 243,975,946 | | 243,975,946 | Basic net income per share | | 4.12 | | 5.33 | | 6.00 | | 0.86 | Diluted effects of stock options and RSUs | | 2,717,245 | | 4,526,300 | | 5,513,257 | | 5,513,257 | Weighted average number of ordinary shares used in computing diluted EPS | | 290,833,214 | | 293,354,671 | | 249,489,203 | | 249,489,203 | Diluted net income per share | | 4.08 | | 5.25 | | 5.87 | | 0.84 |
Diluted income per share do not include the following instruments as their inclusion would have been anti-dilutive: | | | | | | | | | Year ended | | Year ended | | Year ended | | | December 31, | | December 31, | | December 31, | | | 2023 | | 2024 | | 2025 | Stock options | | 3,602,998 | | 3,399,998 | | 502,014 | Restricted stocks units | | 12,613,046 | | 6,585,270 | | 864,158 |
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